| abstract |
The subject of the present application is a process for dyeing keratinous fibers, in particular human keratin fibers such as the hair, comprising a step of applying to said keratinous fibers of one or more 7-amino-1,2,3 derivatives. , 4-tetrahydroquinoline substituted at the 8-position, the dye compositions comprising such 7-amino-1,2,3,4-tetrahydroquinolines and the devices employing these compounds. |